Q6.3Multiple choice
A cylindrical bar magnet is rotated about its axis (Fig 6.1). A wire is axis A connected from the axis and is made to touch the cylindrical surface N through a contact. Then
This question refers to a figure in the original PDF.
- (a)a direct current flows in the ammeter A. magnet
- (b)no current flows through the ammeter A.
- (c)an alternating sinusoidal current flows through the ammeter A with a time period T=2π/ω. S
- (d)a time varying non-sinosoidal current flows through the ammeter A. Fig. 6.1